1)Hold the button for 3 seconds to turn on the Driver Fatigue Alarm .2)Switch the alarm to the mode which you need . ( 3 kinds of alarm , Vibration/Beep/Vibration and Beep optional ) 3)Move head to upright position . Place correctly behind your right ear .4)Start nodding not more than 15-20 degrees until it works.5)Remove device and turn it off when not in use . 6)If you stop using it momently , you can switch it to the sleep mode . 7)Keep away from high temperature & direct sunlight .

It is essential for all motorists including taxi , truck , bus and train drivers . It is also perfect for people who need to be on full alert while on duty such as security guards ,machine operators , and even students .